Home / 338,856.38-467,619.90-185,890.66

Finding the Fourth Proportional to 338,856.38, 467,619.90 and 185,890.66

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Solution

The fourth proportional to 338,856.38, 467,619.90 and 185,890.66 is: 256,528.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,856.38 : 467,619.90 = 185,890.66 : x
  2. Step 2: Convert to fraction form
    338,856.38/467,619.90 = 185,890.66/x
  3. Step 3: Cross multiply
    338,856.38x = 467,619.90 × 185,890.66
  4. Step 4: Simplify right side
    338,856.38x = 86,926,171,840.13
  5. Step 5: Solve for x
    x = 86,926,171,840.13/338,856.38
  6. Step 6: Final answer
    x = 256,528.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.